so if anybody else makes any one of those criteria can for example come his son joe hill no longer lives in the state of maine, we collecting. we've been collecting books since 1836 year the library. we have a number of unique or very rare items. for instance, we have a copy of the first edition of the book of mormon, which has been in the state library since approximately 1848, was published in 1830. the first run was 5000 copies and in institutions there were fewer than 10% of that left. what makes our copy a little bit different is if you can do the maine state library, will pull it out of the state do much to at it. with gloves. because that connection to sacred literature is so important to so many people, that we think that is something valuable we can do. we believe in preserving books. but there's no point in preserving them without access. so that is something we do with that of the differently than other libraries. there is one item that we do not let anybody actually touch. and that is the martha ballard diaries. martha ballard was a midwife lived in hollow man, the next town